Edelbrock 1406 running rich. Im running a edelbrock thunder series avs on my 340.
My Eddy 1406 is running rich. If it's running rich, they'll be black and sooty looking. Edelbrock calibration kit for 1410 carb. Running really rich. Heads are Dart Iron Eagle 180. 1475. Once mounted to the engine, the fun can begin. As you mentioned, this kit is based on a pair of 500 cfm Edelbrock carburetors and comes with all the other necessary parts including the intake manifold, gaskets, linkage, fuel line and hardware. I tried the 1406 leaner setup (0. Plugs are new and are not fouling, timing is 12 deg advance at 750 rpm. Nov 14, 2002 · I swapped from 0. Backfiring(slight carb fire) thru rear carb. Its just running to lean. I had a new Edelbrock 1406 installed on it in late 2019 and it always ran very well, worlds better than a wonky 4GC which was beyond a rebuild if anyone remember my earlier thread. Running LEAN can cause engine damage, it can melt holes in pistons, or create hot spots and detonation (destroying pistons). Aug 31, 2002 · I've got a 289 wiht an RPM intake below a 1406 600 cfm edelbrock carb. Apr 20, 2021 · accelerator pump is full rich (from above), some think they're running rich, so they opt for a leaner tune and it gets worse. My 351w with 1405 edelbrock uses 0. The timing mark is way off now probably at 20+ and I am not sure where to move it too. 0 and it runs really well now and the mileage went up Stutz Frequent Contributor Posts: 240 Joined: Thu Mar 13, 2003 7:01 am Location: Rochester Hills, MI Post: Edelbrock 1406 Running Rich RunAndGun Contributor Posts 410: 04-02-10 07:06 PM - Post# 1891808 My Eddy 1406 is running rich. edelbrock 1406, running way rich, how do i tune them? try a fatter rod. Aug 19, 2022 · I have been flipping between 2 x 1406. moved to position 18 acceleration much better and very drivable. In other words, adjusting an Edelbrock 1406 carburetor requires no prior knowledge of carburetors. Dec 10, 2020 · In this video I cover how to tune the Edelbrock carb with new Jets, Metering Rods, and Springs. I'm running MSD with 16 initial and 36 total. Metering rods checked and work on both. Rpm intake, 302 heads, headers, dual exhaust, ~340 cam, FBO ignition. Corrected that but still rich. I have an opportunity to get a 600 cfm Edelbrock in like new condition for $125. Thanks all! If you need more info let me know as well. We drove it to the muffler shop got some flowmaster series 40 on there and it’s running very rich. 25, 3. 070" x . Jan 17, 2011 · My edelbrock used to idle rich and even foul the plugs. 098, 75 x 47 prim rods and jets) to try and save fuel but it stumbled off idle and acceleration times went down. The best way to see if your dumping fuel into the engine is pull the spark plugs. 572 Views 7 Replies 6 Participants Last post by BroncMom, 5 mo ago. (your clothes end up stinking if you are not careful standing around it while running) I have adjusted the idle mixture but no change. I believe it is 600 cfm. Once I got done I bolted it back on and without touching anything it's now running great as far as I've been able to test it. Oct 8, 2019 · New edelbrock carb on 289. Summit Racing. Have you gone online to look at the tuning manual for this carb? Apr 21, 2005 · My 406 idle at aprox 13" vacuum and when i was running an Edelbrock (now have a Holley 750 hp dp) it would do the same as your engine at idle with either no vacuum advance or with the vacuum advance hooked to port. Right now its backfiring thru the carb when you try to rev it up. But this doesn't solve the problem either, welcome to the bizarre world of tuning the 1406 carb. Starting fluid, pumping pedal with get it too fire up but I can't keep it running. I am actually running two stages lean according to the chart. Jan 30, 2017 · For our model 1406 that required 0. Timing is set at 18 initial and 32 total. I live at 9000ft. Feb 14, 2020 · Hey folks, probably a simple one for you, but have a question. The guy i got the car from told me it was running too rich, and i dont think it Jun 9, 2008 · The Edelbrock carbs I've used have come out on the rich side. Shop Edelbrock Performer Carburetors. Learning how to set air mixture screws on Edelbrock carbs will give you the ability to adjust them like a pro. Eitherway I've run 600 cfm carbs for years on my 302 and regularly run up to 10,000 ft with no issues yes it runs a little richer yes power is down a little but Jul 25, 2003 · Hey guys I have a 68' camaro with a 327 with a 600cfm edelbrock performer carb (1406) and its running way to richto the point of gas comming out of the tail pipes. I'm currently running the out of box jetting on my Edelbrock 1406, which is fine around town,but at altitude I'm having issues. 098 jets with 0. Apr 30, 2017 · Tuned the idle circuit for max vacuum and rpm like Edelbrock prescribes. Previous owner installed a Edelbrock 1406. 5 RICH BURN LIMIT: Combustion is weak/erratic. 620 ” solid roller with 247 degree duration howards solid roller, 700r4 with a 284 first gear and 373 moser 12 bolt rear in a tubbed 1964 chevelle. With the stiffer springs I would get rough running if I lugged it a little in town due to the low vacuum letting the needles raise at low rpm and it would run too rich. "Performer Series" and "Thunder Series" AVS carbs from Edelbrock are made with two idle-mixture screws that control air mixture during operation. Features: Uniquely “holds a tune” Apr 29, 2011 · I was worried that I went too rich but like i said the carb venturi clusters are different between the two and play a big role on how the rods and jets meter between the 1405 and the 1406 Edelbrock carbs. that leans it. When the engine is cold it starts up quickly after one or two pumps on the throttle. A 1405 AFB was designed as a basic replacement or a light performance carb. Condition persists. Jan 16, 2009 · The carb is a Edelbrock 1406 Performer Series. Aug 30, 2019 · Hello jeff, I’m running a 1411 , 750 edelbrock carb on a 427 cid SBC. I checked all passages for plugging by spraying carb cleaner in them and verified they aren't plugged. Oct 26, 2005 · Edelbrock fuel dump TVR383,DoubleVision is absolutely correct about the fuel pressure. Carb is stock, checked floats today. 3's in, and even my 1405 is jetted 2 stages rich from stock in both cruise and power. If I hit the accelerator, the engine bogs. Then the main jet/mixture tubes on those. User Info. That can make a big difference if you can only get 2/3 throttle but think its full throttle May 31, 2006 · I'm having the same running rich problem on my E-Brock 1406. The combination that you describe appears to be EDL-20254. Edelbrock says to adjust them one at a time, here is a simple Apr 21, 2014 · Because my carb repeatedly floods the engine and fouls the plugs at idle, and my mechanic (with much sharpers eyes than me) says he can see fuel pouring into the carb at idle, I've ordered the full set of step up springs from Edelbrock. I'm running a 354 hemi with a mild cam Weiand 7263 dual plane intake with a 1/2" dual plane spacer, and (2) 4" high square stacks. Edelbrock told me/sold me 1406's. They where white indicating lean mixture. This basic tune up principal applies to either Holley or Edelbrock when running larger cams. It does run, but not well. In line Russell filter. I also turned in idle mixture screws on Apr 24, 2017 · Still original metering rods and jets? Have a friend that was running almost the exact came setup and had the same stumble. Just got my freshly rebuilt 327 fired up and broke in. Idle adjust screws would not function. Will that be better for my truck? Thanks. Vacuum at idle is 10" cruise 15". For unmatched street performance, add an Edelbrock Performer, Performer Air-Gap, Performer EPS, Performer RPM, RPM Air-Gap, or Torker II Intake Manifold and Camshaft. And at an idle, it wreaks of gas way more than it should. I think the Holley is a 650 (it was free). 23's, Mud Rovers, soon to be lifted and on 35's Mar 29, 2020 · One of the guys in my Ford Group had about the same issue as yours with his SBF I suggested he replace the metering rods in his 1405 with metering rods from the 1406 (the jets are the same) it was a huge improvement the Edelbrock part # is 1459 your local O'Reillys should have them. Sep 23, 2007 · My biggest problem with the Edelbrock Performer carbs is the fact that they are extremely susceptible to any dirt and for no better term, stumble, f@*t and fall on their collective faces with any in the float bowl. Long story short, this is the wrong direction. 1410. I put the carb on the 350 in 1993, right out of the box without any tuning at all, and it ran perfectly all these years. Oct 5, 2009 · 1983 Bronco with a 302. It is idling around 2200 to 2400 RPM. I compare the 1406 tuning chart to the 1405 tuning chart and Apr 23, 2023 · Ok, I've got a 1406 on rear and 1405 on front. I just dropped it off at my mechanic’s shop to have a ton of work done, including installing a 1406 Edelbrock carburetor. Mar 11, 2016 · Obviously, it’s important to make sure that your engine is in good running condition, and timing and spark are functioning exactly as they should. - cruise - go as lean as you can without getting a surge (surge usually means too lean) Feb 14, 2021 · For the most part it runs ok but in general I felt like its running too rich. 100" primary jets on my 1406 (600cfm, electric choke) edelbrock; and kept the stock rods. Aug 14, 2009 · The carb is an Edelbrock 1406 (electric choke) 600 cfm unit. Jun 18, 2013 · I'm just wondering if any of you folks have some guidance for re-jiggering the 1403 to better match the low power, low compression '68 version of the 289. 095 Secondary Jets 0. . Feb 13, 2010 · edelbrock 1413 running too rich. 095 primary jets and . It's tuned well, and I can see it with even, lightly colored plugs, and about a 14. It was professionally jetted and set up back then and always ran pretty good. 047-inch metering rods. I have been playing around with my jets and rods for the past week. the idle screws should be baselined at 1. It was at 8 and idle at 550, But since the change, the exhaust smell it's heavy and kinda burns my eyes, not sure whats that about, (Rich or Lean, edelbrock 1407 right way to adjust the 2 screws?? Nov 4, 2013 · Visually it looks far better with the dual Holleys and before i revert to the Edsingle edelbrock, is anyone here running dual Edelbrock 1403 - 500 cfm carbs on a tunnel ram on, and if so what are your experiences? I admit to being a mechanical moron but I have never been a fan of Holleys for the street and this saga is only reinforcing my doubts. After driving it awhile and shutting down it will sometimes just crank and crank and not start. I am getting even worse gas mileage than before. Use the charts in the book to determine which metering rods / jets to use for your elevation. None of those issues with the lighter spring and it runs Sep 25, 2013 · The 1406 is the economy tuned version of the 600 Edlebrock. On both carbs I've gone 1 step leaner on both carbs as per Eddy charts. If your getting too much fuel they will look all wet. The engine is a 340 4 speed mildly modified. The Edelbrock 1406 Performer Series 600 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. Great folks over there who are die hards just like us FE Jun 20, 2012 · I need some help. And changed from a 303 Autolite to a 85 that is a hotter plug. G. Aug 13, 2015 · "The 1406 carb is calibrated for economy (lean). And that seemed to help quite a bit. Jun 9, 2019 · C3 Tech/Performance - Running rich on A/F gauge with edelbrock 1406 - Having some difficulty figuring this out. It's when the Primary Nov 1, 2004 · -Patrick 1985 Dodge Ramcharger 4x4 318CID, TF727, NP208 35" bfg muds 3 in body lift Edelbrock performer 1406 carb/intake. I've had the carb for about 15+ years. 104 prim jets and 75 x 37 rods and 0. I will attach the manual which has a chart of which setting may be best for you. Runs real rough. 1/14. I have the idle set to 14:1 and the cruise at 14. As JimM said above, I pulled the top off the carb and the floats were way out of adjustment. Never changed the jetting and gave up on getting it running, thats where i come in. This is a vacuum secondary 4150 style carburetor with two idle mixture screws. Reasons why i think it is rich: plugs and smell, although exhaust is white color but no smell of oil or Sep 20, 2012 · I am running an Edelbrock 1406 and I had a similar problem. Performer EPS and a remanufactured Edelbrock 1406. If you have a camshaft with a duration of 220 degrees or more at . 5" duals, 700r4 with 4. I haven't fired it up yet, but when just pulling the throttle lever on the 5 RICH BURN LIMIT: Combustion is weak/erratic. 6 RR, air gap manifold, 1406 edelbrock carb and long tubes. Jul 30, 2010 · I checked with Edelbrock and they said the passenger side port is the timed port and thats for the vacuum advance on the distributor. 9/14. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jun 20, 2014 · I pulled my Edelbrock 1406 off of the '91 SBC 350 in my '53 Chevy pickup last night for a rebuild. I have a new Edelbrock 1406 4-barrel carb going onto a SBC350 crate (1973 Chevy Blazer). Jun 10, 2018 · It has an Edelbrock Thunder 800 Avs with electric choke. Using the correct 4 hole edelbrock spacer to adapt it. I know this is a supper common problem with them. The 1400 has no calibration kit put together for it since it is an emissions-rated carb. Feb 22, 2009 · I have a stock 350 chevy with edelbrock carb w/electric choke. The information covers the 1403, 1405 and 1406 Edelbrock carburetors specifically and can also be used for other models. The strongest spring in the kit is rated at 8 inches. I don't expect good fuel economy thanks to having a nasty cam and I have been doing more city than highway, but 10 still seems May 18, 2011 · PO was having carb problems so he bought a 1406 edelbrock and slapped it on there. Even after driving it a few miles (so the choke should be warmed up). Dec 18, 2012 · Edelbrock 1407 running rich. As this my second american car, the other one being a 1971 Red Camaro with Holley, I have yet to understand the tuning procedure of the Edelbrock carb in full. 075-0. From the smell and the look of the plugs after cruise speeds. 1480. At home I'm about 4,000 feet asl Nov 24, 2007 · It is the 1405 that I'm running the 14. Fuel pump pressure runs at 4. I always had a 'flat' spot or and occasionally a stutter coming off cruise. Also, after at least a 30 minute heat soak, the engine would crank for several seconds before starting. They suggest checking float levels, fuel pressure, jets, needles, rods, and vacuum leaks. What are the Symptoms of a Misadjusted Edelbrock 1406 Electric Choke Adjustment? Jul 28, 2021 · Hi. 10 rear gears (for now - looking to switch to 3. Started by Mar10n83, December 18, 2012, 08:51:02 AM. Sep 6, 2014 · 283 V8 in very good running condition with new Edelbrock 1406 carburetor w/electric choke, whole fuel system new- fuel pump, gas tank, sending unit and fuel lines. When I slam the throttle pedal from dead stop or light cruise, the car bogs out and nearly dies. Jun 24, 2005 · If you are running rich all around, you'll need to get metering rods that step UP on both sizes to lean it out, say a 75/49 for example. Mar 27, 2022 · Edelbrock 4 barrel performer series carburetor rebuild kit, which will work on all performer Edelbrock carburetors. I have tried everything below but nothing seemed to work specs 1406 edelbrock carb 600cfm edelbrock intake dual plane performer cam- unknown seems to be mild old school cast heads. Power valve spring kit. As mentioned the idle mixture is set up correctly. However, I can't find any specifics. With two adjustment screws in the front of the carburetor, you can adjust and tune the carburetor in just a few minutes and have your engine running smoothly. Edelbrock/Carter carbs have metering rod springs in different tensions to compensate for various cam durations which will affect vacuum,check your local Edelbrock dealer and get the two lightest available so you can try both. 047" metering rods and 5" Hg step-up springs help fix this issue. Idle screws wouldn't make it stumble when turned down every time. My drivers side idle mixture screw has no effect. 1st Issue: This is a 750 cfm Holley carburetor that we’ll be using to set idle quality on a small-block Chevy on a test stand. I jetted 3 steps lean on the primary and 2 steps lean on the secondaries. I read that info off there tech page. He said it’s not going to work. My truck runs rich and occasionally stumbles when cold. It indicates that the mixture needs less gasoline. It idles great, cruises great and is great at WOT, but bogs down at the transition to Apr 9, 2009 · accelerator pump is full rich (from above), some think they're running rich, so they opt for a leaner tune and it gets worse. then trim both in until you get just a hint of a drop in RPM, there you go. It is installed on a bone stock 305 and is sitting on an Edelbrock 2101 intake. 050 lift, then Feb 28, 2011 · Was the Edelbrock new or was it used? I have a 1406 on my '70, and the PO had it all out of whack, so I got a rebuild kit and followed the instructions as best as I could. I did get the idle set and a fairly good mixture at idle. Looking at your 1406 chart, tune #24 is one step rich in the cruise mode. Post: Edelbrock 1406 Running Rich (Topic#239220) greasemonkey3070 Contributor Posts: 116 Loc: Las Vegas Reg: 03-21-09. 480 lift. in previous posts I was having idling down issues with the 1406 carbs and also running rich. This way, the immediate response and tip-in can be complemented by a smooth, linear powe r delivery from idle to redline . 050:thumblef: Jun 13, 2010 · The stock 1406 config should be fine for a bone stock engine. I leaned them down in rods/jets as they are probably "too much" in stock form for the 273. The optimum setting for the Edelbrock carburetor is to run between 550 and 650 rpm. 1:1 but the exhaust smells rich and my fuel economy is poor, only around 10-11mpg. 047 Metering Rods Yellow (4"Hg) Step-up Spring Aug 28, 2017 · I finally broke down and ordered the jet kit. When the carb had stock jetting it was running so rich that it got 11. And that is something better explained on the Edelbrock carb forum. I know the idle air mixture hasnt been adjusted in about 6 or so years. I have . 2. In our guide, you can learn more about your Edelbrock choke adjustment to ensure you have the right idling fuel mixture and exhaust fumes, not being too rich or too lean. Have to put the pedal to the floor to get it to run at all. Nov 16, 2015 · I have a 600 Edelbrock 1406 I bought used and have had on for about 4 years. May 4, 2012 · A forum thread where users discuss how to tune an Edelbrock 1406 carb on a Magnum 360 engine. Dave Jul 1, 2018 · accelerator pump is full rich (from above), some think they're running rich, so they opt for a leaner tune and it gets worse. Edelbrock carburetors have the following systems that can be adjusted: At idle 100 percent fuel is delivered by Apr 27, 2009 · Stumble off idle edelbrock 1405 I had same problem when my primary jet/rod power mode was too lean. Jan 7, 2011 · 1406 Alan, I too, have a Edelbrock 1406 carb on my 350 Chevy engine w/ electric choke. 2. 10-11 VERY RICH: Some supercharged engines run in this range at full power as a means of controlling detonation. Carb is about 2 years old with 500 miles on it. Jan 13, 2023 · Edelbrock 1406 running super rich. I am running a new out of the box 1406 Edelbrock 1406 with electric choke on a C4B vintage Edelbrock intake with a phenalic 1" carb spacer. Doesn't rev up when I do this. Jan 4, 2022 · Joined Nov 26, 2021 Posts 1,576 Reaction score 276 Location Tennessee First Name Jacob Truck Year 1987, 1978, 1976 Truck Model V20, K10, K10 Engine Size 350, 350, 350 May 27, 2021 · Calibrating an Edelbrock 1406 Carb on a 1985 GMC C10 that's running too rich. Edelbrock 1406 main features Setting an Edelbrock carburetor to run efficiently is not a difficult thing to do. I've been running this engine, carb combo for about 10 years. Jul 10, 2012 · I have a 1406 on my 289 and it runs fine. Jan 1, 2009 · If you read the Edelbrock manual again, you will see that the rich/lean rod settings are going to based on both the numbers and what you think feels right. Jul 25, 2007 · hey folks ,, i have an edelbrock 1405 carb ,, it is a 600 cfm , and i am having some rich running issues with it ,, and since i bought it used ,, i have no tuneing manual ,, and was wondering if one of you all might also have one , and the manual , for same ,, and if you would be so kind , as Sep 12, 2009 · landseaandair almost hit the target! the problem you have is the cam is causing those metering rods not to seat properly. Jeff Apr 19, 2011 · Ive had the new 383 Strocker crate (dynoed just under 400)HP with an Edelbrock 1806 650 cfm Thunder series carb in the car for a while now, but I'm thinking its time to start tweaking with rods and jets to get the most out of it i can. My terminology may be wrong on this, so please correct me if so. You might want to check out this too. May 20, 2014 · accelerator pump is full rich (from above), some think they're running rich, so they opt for a leaner tune and it gets worse. the 1405 is different and calibrated for better performance (rich) Rather then my doing a lot of typing I'll post this: The 1405 and 1406 differences! Quote: "The 1406 carb is calibrated for ecconomy This does not only mean the jets are the only parts that are different between the two carbs. Any recommendations for jet size? Jun 17, 2018 · Like the Edelbrock Thunder Series carburetors the AVS2 is based upon, this new design also retains the Air Valve Secondary for quick-and-easy fine tuning across the RPM range for optimal performance. When he spoke with Edelbrock Tech, they said to install the 1405 sized metering rods, springs and jets. Includes several extra parts not normally included in carburetor kits, like the check weight and metering rod retainer springs. Since the 600CFM carb is better suited for a 350ci motor, you may be running on the rich side. Said the 1406 is an economy carb and wasn't running rich enough after tip in leaving idle. I have a 1966 impala with a 327. I called Summit Racing and a guy said that I may need a fuel feed line. I looked at the owners manual that came with it, but it looked confusing. Its cruises great, idles smooth but has a slight bog when accelerating quickly from any rpm. Apr 15, 2006 · It is also puffing a little black smoke, I think its running too rich 1985 Ram long bed 4x4- Rebuilt 318/727. Shipped within 24 hrs (weekdays). Aug 5, 2016 · Jeff Smith: I’ve never had the chance to play with Edelbrock’s 2×4 setup, so I did a little research. Running a standard 80’s Sbc manifold with everything plugged. 5 mpg on the highway. For awhile now, it's been loading up,running rich,won't lean out. Ultimately, diagnosing and identifying the cause of an Edelbrock carburetor running too rich requires careful examination and potentially replacing some components in order for normal operation to resume. Dec 23, 2010 · Edelbrock has a good website for all your carb adjustment needs. Also, are the primary jets active at idle? Didn't know if jetting down the primaries would help. Installed a air/fuel meter and found that mine was running way rich. Air gap intake,aluminum heads, headers, comp cam 231 duration. May 3, 2009 · Here's how the Edelbrock site says the two carbs are setup out of the box: Edelbrock 1405: 0. Edelbrock 1406 600 cfm carb Pertronix points eliminator Adjustable vac can and re-curve Open element aircleaner with 3" K&N Sep 6, 2007 · It has a new Edelbrock 1406 carb with the heat insulator under it on a performer EPS manifold. You can smell it, besides it runs rough. Send Private Topic View Profile. Yesterday I started up by '63 Riv, which was not started in a month - my bad. From my research, it seems the 1406 carburetor is running too lean under load, and I want to see if the . The first problem I had, with mine, that I found out later, was that the fast idle screw was set to high and catching on the fast idle cam and not letting it drop down on the regular idle screw. Sep 7, 2003 · Edelbrock's web site has a great deal of information. Have a look at the colour of the plugs to get an idea if its running rich or lean. Jun 17, 2009 · my running a bit to rich issues vanished. Still ran rich. Jun 6, 2016 · Edelbrock 1406 (600 cfm, electric choke) Keith black pistons Edelbrock aluminum heads comp cam edelbrock air-gap intake Anyone that has a similar setup and would like to share what jets, metering rods, and springs you are running please let me know. Yes, the 1406 is too big by formula, but can easily be made to work with some effort. Warm motor: turn one side to get max rpm, then reset idle speed then adjust the other for max rpm, then reset idle again. You want them to run a grayish brown color. I am looking for help with my edelbrock avs2 650 carb. Anyone have any advice on which jets,springs, rods to use for altitude on a stock 345. Im a 21 yr old attempting to daily a 1979 corvette with the following: 350 215rwhp stock heads and internals, unknown mild cam, 2. Basically this set is stock metering rods with . 100 Primary Jets 0. Nov 21, 2018 · An Edelbrock Performer Carb can handle daily driving while providing the widest torque range. May 27, 2011 · I've got a little more time this morning so here are some of the details. Once you understand that simple fact, you will start to love the Edelbrock 1406 as much as we do at Mike’s Carburetor Parts. Sep 6, 2020 · Hoping for some clues. I haven't touched it until now. _____ Tuning Edelbrock Dual Quad Carburetors (how to get the most out of your Edelbrock two fours) *This is a compilation of knowledge sourced from experience, automotive industry practices and technics Growing up in the muscle car and hot boat eras of the 60’s and 70’s, I've had my share of carbureted motors, many of them with multiple carbs. Doesn't want to idle at all. Valiant VC 360 1967 Edelbrock LD4B manifold 10. I have the car idling great at 800 RPM, the vacuum is about 17 to 18. I live in Colorado at 5800' Elevation so I put 1456 rods and 1424 rods in it. a month ago, constant problems with bogging and running rich but drivable. Apr 11, 2010 · Combo is 350 chevy in an 83 ex cab S10, 487x heads, rpm intake, ede 1406 carb w/4hole wooden insulator/spacer, ~10:1 cr, comp xe274 cam, MSD 8501 kit on an HEI - 1 med and 1 light spring, 1. Float adjustment? Jan 9, 2009 · I have a 750 cfm edelbrock carb on a 460 ford and its running a little rich at idle,I need to check to see if the needle valve is shutting off but if thats ok can the idle curcuit on those carbs be leaned. D44/9. Jun 6, 2010 · I recently dropped a brand new edelbrock 600CFM elec choke carb and manifold on my 68 chevelle, and its running really rich Ive adjusted it as far as i can without changing jets or metering rods, a friend of mine suggested I switch out the stock jets from the factory to smaller ones to help with the high altitude i live in utah and i'm at about 4200 above sea level, does anybody know the model Aug 2, 2019 · My 1406 which came on the 1968 Mustang 302 I bought was running rich at idle. 10:1 at wide open throttle and 12-13 at curse. 52 roller tip rockers and a Competion Cams 268 camshaft. Both were ok on the 7/16” measurement, but way off on the other. Changing the jets, metering rods and springs and adjusting the float. all to no avail. You can adjust an Edelbrock 1406 carburetor to prevent it from running too rich -- that is, too much fuel versus air -- or from running with a mixture that's too lean on fuel. Go to start it up this morning and it rpms at about 2000 for a couple second then dies. By the end, you’ll be able to do this and ensure you hook up your Edelbrock 1406 choke adjustment just right on your Chevy or another model of car you have. 098 Primary Jets 0. It's bolted to an Edelbrock performer intake that sits atop a 350 engine that is stock aside from 1. Dec 3, 2019 · The Carter/Edelbrock AFB and AVS carburetors are decent right out of the box, but learning to tune their fuel metering system will make them really come aliv May 30, 2017 · I just put a carburetor kit in my Edelbrock 600 cfm 4 barrel caburetor (1406). They send them out this way to make sure you won't burn a valve. Ever since I have put this carburetor on the passenger side band is running pig rich, at idle it is putting out clouds of smoke and while driving is even worse. The Edelbrock carburetor is one of the simplest carburetors to adjust. I just rebuilt the carb with a kit from Edelbrock and it's running nasty rich. idles @ 13. (The rebuilder was kind enough to give me a full refund. If you can't find them locally give these guys a Jul 21, 2013 · A baseline 1406 tends to run on the lean side. 101 jets w/ 75x47 rods . Performance wise, it ran great. and was running very rich due to the lack of Oct 22, 2018 · I have an eddy 1406 600cfm carb on my 318. Instantly you could tell the car ran better and now I am trying to adjust the carb and set the timing since the car seems to still be running rich (still feels loaded up when driving). You'll never convince me that a bone stock 1406 is running rich on an engine with the RPM package. 047 Metering Rods Orange (5"Hg) Step-up Spring Edelbrock 1406: 0. Oct 5, 2012 · Hey guys Im having some trouble with my Edelbrock 1406 carb. Jun 30, 2012 · I was running really lean throughout the full range. Look to make sure the PCV is hooked up correctly. Adjusted the auto choke and its good. 12-13 RICH: Best power A/F: Un-supercharged WOT. 1464 Sep 23, 2012 · Whats up fellas, well I set my timing to 12 @ idle now and idle to 750, Chevy 350 w/ headers, edelbrock. 098" to 0. Jun 4, 2010 · I assume the carb is running rich and after adjusting the air/fuel screws on the front of the carb, confirming there are not gasket leaks, timing is good as is the vac gauge reading (18lbs). 5. Carburetor; The Edelbrock 1406 Performer Series 600 CFM electric choke carburetor is a precisely tuned, quality-built carburetor that can handle the rigors of daily driving while delivering consistent, reliable street performance from day to day. My guestion is where do I start to lean her out. Accelerator pump nozzle kit. it was rebuilt and throttle shafts re bushed about 4 years ago, the last time I had to go Oct 31, 2011 · 1973 - 1979 F-100 & Larger F-Series Trucks - Edlebrock 1406 onto stock 390 question - My brother came across a edlebrock/weber 1406 that he gave me for free. Nov 25, 2010 · I figure it would be a quick winter project so to speak. Feb 25, 2018 · I am working on a friend's Chevy 350 with the older (non-Air Gap) dual quad intake, and two #1404 500cfm carbs with progressive linkage. About 14” vacuum at about 1000 rpm so far. The problem is when I hit the throttle it puffs out dark smoke and smells like it is running rich. Jul 25, 2013 · The passenger side had 0 HG and the drivers side has about 15HG. My trucks actually up at my moms house at the moment so I havent had a chance to try and put air through the screw hole yet. I would check the easy first. Per the E-Brock manual, the proper float level is 7/16" with the airhorn inverted and 1" max of float drop with the airhorn upright. Edelbrock says the primary jets on this carb (primary carb on a dual carb set up) are Mar 1, 2018 · I run an Edelbrock AVS2 #1906 on my 454 and had problems with running rich and the exhaust at idle smelling like raw gasoline. Yes a 500 could be a little better but I picked this up off Craigs list for $25 and rebuilt it. First off you want your engine to idle around 700 to 900 RPM. Oct 15, 2011 · I have a chevy 350 that is running rich at idle and cruise. Sep 29, 2015 · Running rich will decrease fuel milage, and increase the chances of fouled plugs. It would be so lean, that the car would probably run like crap. Edelbrock has made the task of changing metering rods and springs quite easy, and here's the step-by-step procedure in text and pictures: Oct 3, 2019 · Right out of the box, the engine idled rich. I currently have a holley 4160 list 6947 that Ive been fighting with for the past year or so and has started to leak a little into the manifold. If you haven't already, first thing to look at is the fuel system because if you don't have correct fuel pressure to the carb you'll never, ever get it properly tuned. I'm using the lightest set of step us springs. I finally rebuilt the carb,new needle and seat checked float levels,metering rods, etc. Not so sure how rich it was going down the road as it ran great for a 200HP motor. I have tried different timing spots From 20 intial to 35 total Jan 26, 2006 · Does anyone have some good advice on how to properly tune an edelbrock carb? I have a 68 chevelle with a 327, edelbrock performer 600 cfm carb, aluminum intake and and matching cam. Another factor to check is manifold vacuum at idle. 092 secondary jets. I need to check mine on my 289, I'm sure you can go to Edelbrock and down load some instructions that say what port is what. Firstly question, is a 1406 too big for a 327? It had the following. There is carbon out the back tailpipes and when I pulled the hipo manifolds, there was carbon there too. I suspect that it is running a bit rich for my otherwise stock motor, and have seen some posts on here suggesting as much. It has a mild cam, I don't remember the specs, maybe just a little more than a rv cam. with the 70/37's it is running just below the middle portion of the meter, changed the primary jets to 101's from the stock 98's and it did raise the reading slightly towards rich. So you may try some hotter spark plugs. I'm running one on mine with a 270 Magnum cam and am also running fairly rich throughout cruise and part-throttle operation. Jul 30, 2010 · On my carb 1405 same as a 1406 but without the elec choke (but i added the elec choke to mine) and jetted really fat,, i went with 98 pri jets and 71x47 rods,, i tryed the 73x47 rods,, but it just wont run right. 5 dual exh Performer intake, eddy 1406 carb, . The other thing to check is that the throttle linkage opperates in its full range by foot as opposed to by hand. I checked the Edelbrock dvd and it says to spray compressed air into the idle mixture screw hole. 50-3. First some of the important info: 1980 350 HO crate edelbrock performer eps intake edelbrock 1406 carb HEI distributor Dougs headers and side pipes STS baffles ( caps on center pipes) Timing 34 degrees all Sep 27, 2011 · Had a narrow band A/F meter on when stock (75/47) and it wouldn't hardly move off from the lean stop of the meter. Mar 25, 2016 · However, edelbrock produces a calibration kit #1487 that has some jets rods and springs if you are running rich or lean. Lokar linkage Borgeson steering shaft, mopar distributor msd wires Nov 19, 2011 · Background - I have a GM crate SBC 350, standard heads, mild Summit 1101 cam, Edelbrock Performer EPS manifold and 1406 carb, with iron manifolds and duals. Jan 25, 2022 · Hi everyone this is my first post. 6-9 EXTREMELY RICH: Black smoke and low power. Bad gas milage and every once i awhile I can blow black wet crap out of the exhaust. Other than that, no risk of internal engine damage. One was on a running 350 Sbc. The 1405 is the same carb, but out of the box is tuned richer. 5" tube shorty headers (cheap s10 swap headers by hedmann), 2. 5:1 compression 228/235 degs @. Low vacuum camshafts create a need for a revised idle circuit. I was a Qjet guy in the past, so not overly terrible at rebuilding carbs. Jun 18, 2019 · Edelbrock 750 AVS carburetor. I installed a wideband AFR meter and have been working on setting up the carb to get good performance/economy. a q-jet that had trouble loading up,running real rich,,, i payed Dec 22, 2013 · Fuel Injection, Carburetion & Fuel System - Edelbrock 1406 Rich - Tuning Help? - Have a '70 F100 with a stock 302. 104 sec jets. I decided to start with position 17 ran pretty well but poor acceleration. I adjust the carb a little and it ran alot better I am just wondering if maybe the carb has to much cfm for the motor and my setup? any ideas would be great. 5 out then set idle. Jan 19, 2006 · 1967 Chevelle 496BB/TH400/Strange S-60 (Show and Go) 1967 El Camino 388SB/700R4/12-bolt posi (Rat Muscle Parts Hauler) 2015 Harley Davidson Road Glide Special (Cruiser) Mar 28, 2024 · Hey everyone. I`ve checked the plugs at that very opening, running about a steady 30mph. Msd Ignition. My chevelle is running really rich, to the point when i give it 50+% throttle when cruising i get a light smoke screen behind me, as well as when making really sharp turns it tends to studder and almost die. And the other was rebuild by me. Has some sort of HEI in it, not sure on engine specs. Feb 8, 2020 · What’s up fellas. Aug 7, 2009 · My Holley runs rich and I think it's too large for my 302 automatic 77. Adjusted idle mix screws with the Feb 26, 2012 · Rebuilt my Edelbrock 1406, put it back on and its running rich, especially at idle. I adjusted the idle screws as lean as possible. The 1406 is about the same jet/rod setup and may be a good place to start. I have the idle mixture screws all the way in and it is still rich, especially when warmed up. im thinking thats timing as well, but would a really rich condition cause that? May 9, 2019 · Get a comparison of Edelbrock's 1406 and 1906 carburetors, including 1406 vs 1906 differences. I adjusted the idle mixture and speed when the engine was warm and with the air cleaner on and the car was running perfectly while warm yesterday. Gerk Discussion Starter Apr 27, 2022 · Yes, the Edelbrock 1406 offers a significative performance improvement over your factory-equipped OE carburetor, but “street performance” is not the same as competition-grade performance. The edelbrock web site should have their manual and tuning guide on it somewhere, it has a chart that should help you determine what to change your rods and jets to. The car has run pretty well but it has always run rich with a strong rich smell from the exhaust. 070-0. AFB`s do not like pessures above 4-5lbs. I was still way rich. By using jetting reference #12 in the carbs owner manual and leaning the secondaries 1 step the mileage increased to 15 mpg hwy. Start out with #19 and make your adjustments from there. 73 soon). 5:1 AFR around town on a wide band meter. Im running a edelbrock thunder series avs on my 340. I’m 99% sure the new mufflers made it rich but my question is where do I start for leaning it out. Both very close but I did a Mar 23, 2019 · hey guys, did my 2 year plug change the other day and noticed the plugs are black, definitely running rich. 98 secondaries, orange step up springs, 12 inch vacuum at 700 rpm, 34* timing all in at 2500, Dec 6, 2022 · Similarly, damaged components can often be replaced to restore functionality and correct the fuel running rich issue. Has a 1406 Edelbrock carb. Cold starts are fine but hot starts are hard, and I blow a puff of fuel vapor then black smoke when I get it started. Edelbrock provides a full, in-depth guide as to how to tune your carb for your specific application, and which components of the tuning kit to use. Thus, what we need to do is adjust the screws clockwise in this scenario. Dec 20, 2009 · Swapped my intake and carb on a 350. . ) Jun 7, 2013 · While I wont disagree with the smaller carbs 600 cfm is not to much its a 4v carb your not running on all 4 barrels your only running on half actually less than half with a edelbrock. 075x0. I took the top off to check the float level and drop. Cam is a ZZ4. Installed edelbrock fuel pump, psi gauge, different plugs, timing changes, full vs port vacuum, springs, float adjust, fuel shut off valve cleaned, etc. Mar 10, 2006 · I have a 1406 on 318 in a van. Nov 14, 2021 · I have a 1982 k10 with a as far as I know bone stock 350 I put a new edelbrock 1406 carb on it when it had open headers and it ran great. Only thing is when you stand on it it goes real lean, here's where I need some info. Regards Billy D. Jets and metering rods are out of the box stock. Aug 3, 2023 · In case the engine hesitates when accelerating, it may be going too rich. Jun 2, 2021 · Hey guys, I have the ProFlo 4 system on my sbf 331 with a race cam. Ignition System Issues May 5, 2015 · My 302 roller has stock 9:1 compression, TFS stage 1 cam, 170 TFS heads, 1. He said something about having to rework some fuel lines. with the 98 jets and 71x47 rods and the orange 5 spring my air/fuel meter runs going down the road 13. I ordered the calibration kit from edelbrock, should I just put the smallest rods, nozzles, and the stiffest springs? Oct 16, 2007 · At very low throttle openings it has a tendency to have a small stumble. Steve Apr 11, 2010 · FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428) - 390 with Edelbrock 1406 carb- problems - First off, I bought the motor from a guy on Craigslist, and he knew virtually nothing about it other than it was a hi-pro rebuild and way too much motor (with way too little gas mileage) for what he wanted it for. New AC Delco stock style fuel pump. sfusq gov emh rbtev cdk kjas fggp hurglry kgjv ismy